{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:GRII7HIBAAKRCA7OTWBWWSQFVK","short_pith_number":"pith:GRII7HIB","canonical_record":{"source":{"id":"1409.5965","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-21T11:04:32Z","cross_cats_sorted":["cs.NI","physics.optics"],"title_canon_sha256":"4b71c7c88cb6ad209f7bc490055ba804095aa4ab816981f02bb4dd14f60feb66","abstract_canon_sha256":"32767b70a5fcff941dc0632d3f1b6cce8744edcba69ea5bf7774de196b1a48d2"},"schema_version":"1.0"},"canonical_sha256":"34508f9d0100151103ee9d836b4a05aabb65b4b8288aebae5b37e5dae75880fd","source":{"kind":"arxiv","id":"1409.5965","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.5965","created_at":"2026-05-18T02:42:14Z"},{"alias_kind":"arxiv_version","alias_value":"1409.5965v1","created_at":"2026-05-18T02:42:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.5965","created_at":"2026-05-18T02:42:14Z"},{"alias_kind":"pith_short_12","alias_value":"GRII7HIBAAKR","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"GRII7HIBAAKRCA7O","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"GRII7HIB","created_at":"2026-05-18T12:28:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:GRII7HIBAAKRCA7OTWBWWSQFVK","target":"record","payload":{"canonical_record":{"source":{"id":"1409.5965","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-21T11:04:32Z","cross_cats_sorted":["cs.NI","physics.optics"],"title_canon_sha256":"4b71c7c88cb6ad209f7bc490055ba804095aa4ab816981f02bb4dd14f60feb66","abstract_canon_sha256":"32767b70a5fcff941dc0632d3f1b6cce8744edcba69ea5bf7774de196b1a48d2"},"schema_version":"1.0"},"canonical_sha256":"34508f9d0100151103ee9d836b4a05aabb65b4b8288aebae5b37e5dae75880fd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:42:14.047997Z","signature_b64":"fyQRVJEDY6QJ2b9mkh1UHBxiUHJHIZPt7Mt92eyMNUYJwSnPV1MI8beb2BGo+20cEUn7BmVZfzwENE1eTcAZDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"34508f9d0100151103ee9d836b4a05aabb65b4b8288aebae5b37e5dae75880fd","last_reissued_at":"2026-05-18T02:42:14.047539Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:42:14.047539Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.5965","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:42:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8J3fnHv9q/1Wtabed/i8BVPCB+dRJ/e/FoLUa5FLfL2NV8Agk5DNWKBbGpSwWUih1O77JW08Cgb4tARs4XtvAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T10:43:42.203983Z"},"content_sha256":"c337d73fb579e011e5e462f235d2a711e48e87529343f1952e050ef358b36941","schema_version":"1.0","event_id":"sha256:c337d73fb579e011e5e462f235d2a711e48e87529343f1952e050ef358b36941"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:GRII7HIBAAKRCA7OTWBWWSQFVK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Entanglement Distribution in Optical Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.NI","physics.optics"],"primary_cat":"quant-ph","authors_text":"Alex Ciurana, Andreas Poppe, Bernhard Schrenk, Jesus Martinez-Mateo, Momtchil Peev, Vicente Martin","submitted_at":"2014-09-21T11:04:32Z","abstract_excerpt":"The ability to generate entangled photon-pairs over a broad wavelength range opens the door to the simultaneous distribution of entanglement to multiple users in a network by using centralized sources and flexible wavelength-division multiplexing schemes. Here we show the design of a metropolitan optical network consisting of tree-type access networks whereby entangled photon-pairs are distributed to any pair of users, independent of their location. The network is constructed employing commercial off-the-shelf components and uses the existing infrastructure, which allows for moderate deploymen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.5965","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:42:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"52ZpGXikDHgDN6X+bjYpjY+zupq3u/yGxzCPsl9cZdb9H3e2/O4SrC222RFoPa5A5DFeD34/acJCIDArYlYnAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T10:43:42.204683Z"},"content_sha256":"58919265d6defd5da6168331803bc4bfda67ab0b4b21ab3dce9a443dcc3e8a40","schema_version":"1.0","event_id":"sha256:58919265d6defd5da6168331803bc4bfda67ab0b4b21ab3dce9a443dcc3e8a40"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GRII7HIBAAKRCA7OTWBWWSQFVK/bundle.json","state_url":"https://pith.science/pith/GRII7HIBAAKRCA7OTWBWWSQFVK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GRII7HIBAAKRCA7OTWBWWSQFVK/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-30T10:43:42Z","links":{"resolver":"https://pith.science/pith/GRII7HIBAAKRCA7OTWBWWSQFVK","bundle":"https://pith.science/pith/GRII7HIBAAKRCA7OTWBWWSQFVK/bundle.json","state":"https://pith.science/pith/GRII7HIBAAKRCA7OTWBWWSQFVK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GRII7HIBAAKRCA7OTWBWWSQFVK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:GRII7HIBAAKRCA7OTWBWWSQFVK","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"32767b70a5fcff941dc0632d3f1b6cce8744edcba69ea5bf7774de196b1a48d2","cross_cats_sorted":["cs.NI","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-21T11:04:32Z","title_canon_sha256":"4b71c7c88cb6ad209f7bc490055ba804095aa4ab816981f02bb4dd14f60feb66"},"schema_version":"1.0","source":{"id":"1409.5965","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.5965","created_at":"2026-05-18T02:42:14Z"},{"alias_kind":"arxiv_version","alias_value":"1409.5965v1","created_at":"2026-05-18T02:42:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.5965","created_at":"2026-05-18T02:42:14Z"},{"alias_kind":"pith_short_12","alias_value":"GRII7HIBAAKR","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"GRII7HIBAAKRCA7O","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"GRII7HIB","created_at":"2026-05-18T12:28:30Z"}],"graph_snapshots":[{"event_id":"sha256:58919265d6defd5da6168331803bc4bfda67ab0b4b21ab3dce9a443dcc3e8a40","target":"graph","created_at":"2026-05-18T02:42:14Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The ability to generate entangled photon-pairs over a broad wavelength range opens the door to the simultaneous distribution of entanglement to multiple users in a network by using centralized sources and flexible wavelength-division multiplexing schemes. Here we show the design of a metropolitan optical network consisting of tree-type access networks whereby entangled photon-pairs are distributed to any pair of users, independent of their location. The network is constructed employing commercial off-the-shelf components and uses the existing infrastructure, which allows for moderate deploymen","authors_text":"Alex Ciurana, Andreas Poppe, Bernhard Schrenk, Jesus Martinez-Mateo, Momtchil Peev, Vicente Martin","cross_cats":["cs.NI","physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-21T11:04:32Z","title":"Entanglement Distribution in Optical Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.5965","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:c337d73fb579e011e5e462f235d2a711e48e87529343f1952e050ef358b36941","target":"record","created_at":"2026-05-18T02:42:14Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"32767b70a5fcff941dc0632d3f1b6cce8744edcba69ea5bf7774de196b1a48d2","cross_cats_sorted":["cs.NI","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-21T11:04:32Z","title_canon_sha256":"4b71c7c88cb6ad209f7bc490055ba804095aa4ab816981f02bb4dd14f60feb66"},"schema_version":"1.0","source":{"id":"1409.5965","kind":"arxiv","version":1}},"canonical_sha256":"34508f9d0100151103ee9d836b4a05aabb65b4b8288aebae5b37e5dae75880fd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"34508f9d0100151103ee9d836b4a05aabb65b4b8288aebae5b37e5dae75880fd","first_computed_at":"2026-05-18T02:42:14.047539Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:42:14.047539Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fyQRVJEDY6QJ2b9mkh1UHBxiUHJHIZPt7Mt92eyMNUYJwSnPV1MI8beb2BGo+20cEUn7BmVZfzwENE1eTcAZDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:42:14.047997Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.5965","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c337d73fb579e011e5e462f235d2a711e48e87529343f1952e050ef358b36941","sha256:58919265d6defd5da6168331803bc4bfda67ab0b4b21ab3dce9a443dcc3e8a40"],"state_sha256":"3345bfc6f2c6c20ed2ae7e0f1c6a1602ffb0647f22f05541ccd32ce68737159f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w3bvItv2ihYDDI/RxMvdtiPabz3uvdcohVtPs1GTAijeZuAehACQiQx8uVpggrUkspuzxqutDDXq/kPGIuXvAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T10:43:42.208499Z","bundle_sha256":"bea2ce108cf68245eda90429b0d6a0b4a334d405972d53b9f98f3f4e290856ea"}}